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Finding the Third Proportional to 18,633,099 and 39,505,686

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Solution

The third proportional to 18,633,099 and 39,505,686 is: 83,759,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633,099 : 39,505,686 = 39,505,686 : x
  2. Step 2: Convert to fraction form
    18,633,099/39,505,686 = 39,505,686/x
  3. Step 3: Cross multiply
    18,633,099x = 39,505,686 × 39,505,686
  4. Step 4: Simplify right side
    18,633,099x = 1,560,699,226,330,596
  5. Step 5: Solve for x
    x = 1,560,699,226,330,596/18,633,099
  6. Step 6: Final answer
    x = 83,759,509.16

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.